Python (NumPy, SciPy, Pandas, scikit-learn, PyTorch, TensorFlow, XGBoost, CVXPY), C++, MATLAB, FORTRAN, SQL, Git, Linux, API Development, Machine Learning (Neural Networks, Gradient Boosting, Bayesian Optimization), Stochastic Calculus, Monte Carlo Simulation, Signal Processing, Optimization (Convex, Portfolio), PDE Solvers (Finite Differences, Spectral Methods), Time Series Analysis, Statistical Modeling, Control Theory, Derivative Pricing (Black-Scholes, Heston, SABR), Risk Analytics (Greeks, VaR), Volatility Surface Construction, Options Modeling, Algorithmic Trading Strategy Development (Pine Script, EasyLanguage, NinjaScript), Backtesting & Walk-Forward Validation, Portfolio Optimization, NVIDIA GPU SuperPOD, HPC/Parallel Computing, Data Pipeline Development, Large-Scale Dataset Processing, JSON/CSV Data Engineering